when I run isinteg I only get the switches returned. Am I missing something when I run it?

E:\Program Files\Exchsrvr\bin>isinteg -s CRSERVER -test
Microsoft Exchange Information Store Integrity Checker v6.5.7638.2
Copyright (c) 1986-2000 Microsoft Corp.    All rights reserved.
Usage:
 isinteg -s ServerName [-fix] [-verbose] [-l logfilename] -test testname[[, test
name]...]
    -s               ServerName
    -fix             check and fix (default - check only)
    -verbose         report verbosely
    -l filename      log file name (default - .\isinteg.pri/pub)
    -t refdblocation (default - the location of the store)
    -test testname,...
       folder message aclitem mailbox(pri only) delfld acllist
       rcvfld(pri only) timedev rowcounts attach morefld ooflist(pri only)
       global searchq dlvrto replstate(pub only)
       peruser artidx(pub only) search newsfeed(pub only) dumpsterprops
       Ref count tests: msgref msgsoftref attachref acllistref aclitemref
       newsfeedref(pub only) fldrcv(pri only) fldsub dumpsterref
       Groups tests: allfoldertests allacltests
 isinteg -dump [-l logfilename] (verbose dump of store data)


E:\Program Files\Exchsrvr\bin>